[78-L] Roland Hayes - unpublished RCA masters QUESTION

[Thomas Stern]

Can someone provide complete session details for these Roland Hayes recordings?
Thanks, Thomas.

1935 BOSTON Symphony Hall
Roland Hayes; Piano, Warner Lawsen.
2501   Auch Kleine Dinge (Wolf)                                 RCA Victor unpublished
2502   Trocknet Nicht (Beethoven)                               RCA Victor unpublished
2503   Hear de Lambs a'Cryin (Afro-American)                    RCA Victor unpublished
?      O Le' Me Shine (Afro-American)                           RCA Victor unpublished